Patents by Inventor Li Zhang

Li Zhang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240176039
    Abstract: A vehicle-mounted security inspection system includes a mobile chassis. A first cabin provided on the mobile chassis includes an object security inspection apparatus, which is used to perform a security inspection on an object. A second cabin provided on the mobile chassis includes a human body security inspection apparatus which is used to perform a security inspection on a human body. The second cabin is flexibly connected to the first cabin, so that in a first state, the second cabin is located at one end of the first cabin in a longitudinal direction of the mobile chassis, and in a second state, the second cabin is located on one side of the first cabin in the longitudinal direction of the mobile chassis.
    Type: Application
    Filed: January 25, 2022
    Publication date: May 30, 2024
    Inventors: Li ZHANG, Zhiqiang CHEN, Yi CHENG, Qingping HUANG, Mingzhi HONG, Lei ZHENG
  • Publication number: 20240179343
    Abstract: Embodiments of the present disclosure provide a solution for video processing. In some embodiments, a method for video processing is proposed, which comprises: reordering at least one intra string copy (ISC) reference string, the at least one ISC reference string matching with at least one string of a block of a video; reconstructing the block based on the reordered at least one ISC reference string; and performing a conversion between the reconstructed block and a bitstream of the video. The proposed method can advantageously improve the coding efficiency.
    Type: Application
    Filed: April 1, 2022
    Publication date: May 30, 2024
    Inventors: Kai ZHANG, Li ZHANG, Yuhuai ZHANG, Junru LI, Siwei MA
  • Publication number: 20240179310
    Abstract: A method of processing media data. The method includes fusing a plurality of intermediate filtering results of an adaptive loop filter (ALF) processing unit with a fusion mode to generate a final filtering result; and performing a conversion between a video including the ALF processing unit and a bitstream of the video based on the final filtering result. A corresponding video coding apparatus and non-transitory computer-readable recording medium are also disclosed.
    Type: Application
    Filed: February 5, 2024
    Publication date: May 30, 2024
    Inventors: Wenbin Yin, Kai Zhang, Li Zhang
  • Publication number: 20240179308
    Abstract: A method of processing media data. The method includes filtering a sample of a video unit using one or more virtual filters of a fusion mode to produce a filtering result; and performing a conversion between a video including the video unit and a bitstream of the video based on the sample as filtered. A corresponding video coding apparatus and non-transitory computer-readable recording medium are also disclosed.
    Type: Application
    Filed: February 2, 2024
    Publication date: May 30, 2024
    Inventors: Wenbin Yin, Kai Zhang, Li Zhang
  • Patent number: 11995530
    Abstract: The present disclosure provides systems and methods that provide feedback to a user of an image capture device that includes an artificial intelligence system that analyzes incoming image frames to, for example, determine whether to automatically capture and store the incoming frames. An example system can also, in the viewfinder portion of a user interface presented on a display, a graphical intelligence feedback indicator in association with a live video stream. The graphical intelligence feedback indicator can graphically indicate, for each of a plurality of image frames as such image frame is presented within the viewfinder portion of the user interface, a respective measure of one or more attributes of the respective scene depicted by the image frame output by the artificial intelligence system.
    Type: Grant
    Filed: August 1, 2022
    Date of Patent: May 28, 2024
    Assignee: GOOGLE LLC
    Inventors: Aaron Michael Donsbach, Christopher Breithaupt, Li Zhang, Arushan Rajasekaram, Navid Shiee
  • Patent number: 11992827
    Abstract: The present disclosure provides msect-4 molecular sieves with OFF and ERI topologies, a preparation method therefor, and applications thereof. An eight-membered ring small pore molecular sieve used as a raw material is dispersed in an aqueous phase. Following that, caustic potash, an aluminum source, and an organic structure-directing agent (OSDA) are added. The pH value is then adjusted to be greater than 10, and a silicon source is introduced to attain the desired silicon-aluminum ratio, followed by stirring reaction, aging, crystallization, filtration, washing, ammonia exchange reaction, drying, and calcination. The msect-4 molecular sieves with OFF and ERI topologies, the preparation method therefor, and applications exhibit excellent hydrothermal stability, a plurality of adsorption sites exposed by a regular bone-like structure, and a large specific surface area.
    Type: Grant
    Filed: June 19, 2023
    Date of Patent: May 28, 2024
    Assignees: CHINA AUTOMOTIVE TECHNOLOGY AND RESEARCH CENTER CO., LTD, CATARC AUTOMOTIVE TEST CENTER (TIANJIN) CO., LTD
    Inventors: Zhenguo Li, Kaixiang Li, Zhixin Wu, Xiaoning Ren, Jianhai Wang, Yuankai Shao, Hanming Wu, Li Zhang, Cheng Lv, Lingfeng Jia
  • Patent number: 11997277
    Abstract: The application relates to refined quantization steps in video coding. A method for video processing includes: determining, during a conversion between a current video block and a bitstream representation of a video including the current video block, two-level quantization parameters comprising a first level quantization parameter QP1 and a second level quantization parameter QP2 for the current video block; and performing, at least based on the two-level quantization parameters, a first level quantization and/or a second level quantization during the conversion, wherein the two-level quantization parameters correspond to different quantization precisions respectively.
    Type: Grant
    Filed: July 14, 2021
    Date of Patent: May 28, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD, BYTEDANCE INC.
    Inventors: Li Zhang, Kai Zhang, Hongbin Liu, Yue Wang
  • Patent number: 11992828
    Abstract: The present disclosure provides molecular sieves with intergrown phases of AEI and CHA topologies and a catalyst thereof. A preparation method for the molecular sieves include the following steps: mixing a hydroxyphosphono organic alkali R with an aluminum source and a silicon source to obtain a sol-gel precursor, putting the sol-gel precursor into a closed hydrothermal synthesis reactor for reaction, filtering the reaction solution, washing, drying, and calcination to obtain the molecular sieves with intergrown phases of AEI and CHA topologies. The molecular sieves and the catalyst thereof can be directly synthesized under mild conditions with a hydroxyphosphono organic alkali as a structure-directing agent and a phosphorus source, have a pH value of 6-9 and low requirements for corrosion resistance of production devices, and are suitable for large-scale production.
    Type: Grant
    Filed: June 19, 2023
    Date of Patent: May 28, 2024
    Assignees: CHINA AUTOMOTIVE TECHNOLOGY AND RESEARCH CENTER CO., LTD, CATARC AUTOMOTIVE TEST CENTER (TIANJIN) CO., LTD
    Inventors: Kaixiang Li, Zhenguo Li, Xiaoning Ren, Yuankai Shao, Jianhai Wang, Li Zhang, Lingfeng Jia, Cheng Lv
  • Patent number: 11996924
    Abstract: Embodiments of the disclosure provide a method, device and computer readable medium for allocating measurement resources. According to embodiments of the present disclosure, the terminal device can determine the allocations of measurement resources to the RRM measurement and the beam recovery measurement based on priorities of the RRM and beam recovery measurements. The priorities can be determined based on the needs of the terminal device. In this way, the terminal device is able to find suitable beams faster and the interruption time for date transmission is reduced.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: May 28, 2024
    Assignee: Nokia Technologies Oy
    Inventors: Li Zhang, Lars Dalsgaard, Timo Koskela, Jorma Kaikkonen
  • Patent number: 11997303
    Abstract: Devices, systems and methods for sample refinement and filtering method for video coding are described. In an exemplary aspect, a method for video processing includes modifying for a conversion between a block of a video and a bitstream representation of the video, a refinement value for a prediction sample in the block by applying a clipping operation to refinement value. The refinement value is derived based on a gradient value of an optical flow coding process. An output of the clipping operation is within a range. The method also includes refining the prediction sample based on the refinement value and performing the conversion based on the refined prediction sample.
    Type: Grant
    Filed: June 13, 2022
    Date of Patent: May 28, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD, BYTEDANCE INC.
    Inventors: Hongbin Liu, Li Zhang, Kai Zhang, Jizheng Xu, Yue Wang
  • Patent number: 11997270
    Abstract: Systems, methods and apparatus for video processing are described. The video processing may include video encoding, video decoding or video transcoding. One example method of video processing includes performing a conversion between a current block of a video and a bitstream of the video according to a rule. The rule specifies that selection of a context for coding a syntax element specifying whether the block is split horizontally or vertically is based on a number of allowed vertical splits and a number of allowed horizontal splits. The number of allowed vertical splits includes a number of allowed binary vertical splits and a number of allowed ternary vertical splits, and the number of allowed horizontal splits includes a number of allowed binary horizontal splits and a number of allowed ternary horizontal splits.
    Type: Grant
    Filed: October 31, 2022
    Date of Patent: May 28, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLGY CO., LTD., BYTEDANCE INC.
    Inventors: Yang Wang, Li Zhang, Zhipin Deng, Kai Zhang, Hongbin Liu
  • Patent number: 11997264
    Abstract: A method for processing video data is described and the method includes: deriving, for a conversion between a video processing unit of the video and a bitstream of the video processing unit, at least one deblocking filter associated with a chroma deblocking filter process of the video processing unit; applying a same deblocking filter from the at least one deblocking filter for all chroma components of the video processing unit; and performing the conversion based on the same deblocking filter.
    Type: Grant
    Filed: November 4, 2021
    Date of Patent: May 28, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD, BYTEDANCE INC.
    Inventors: Jiexi Wang, Jizheng Xu, Jaehong Chon, Weijia Zhu, Li Zhang, Yue Wang
  • Patent number: 11997253
    Abstract: A method of video decoding includes checking one or more video blocks in pre-defined relative positions compared to a first video block to derive a first set of candidates, wherein each of the first set of candidates is derived from corresponding motion information of the video blocks checked, checking, upon a determination that a number of the first set of candidates has not reached a predetermined limit, one or multiple tables to derive a second set of candidates, and processing the first video block based on a bitstream representation of the first video block and the constructed candidate list.
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: May 28, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD, BYTEDANCE INC.
    Inventors: Li Zhang, Kai Zhang, Hongbin Liu, Yue Wang
  • Publication number: 20240171753
    Abstract: Techniques for implementing video processing techniques are described. In one example implementation, a method of video processing includes determining, for a conversion between a current block of a video and a bitstream representation of the video, whether a combined inter and intra prediction (CIIP) coding technique is to be applied to the current block based on a characteristic of the current block. The CIIP coding technique uses an intermedia inter prediction value and an intermedia intra prediction value to derive a final prediction value of the current block. The method also includes performing the conversion based on the determining.
    Type: Application
    Filed: November 17, 2023
    Publication date: May 23, 2024
    Inventors: Kai Zhang, Li Zhang, Hongbin Liu, Jizheng Xu, Yue Wang
  • Publication number: 20240171732
    Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: determining, during a conversion between a video unit of a video and a bitstream of the video unit, a plurality of predicted signals based on coding information of the video unit, the video unit being coded with a non-intra coding mode, and the plurality predicted signals comprising at least one of: a basic predicted signal or an additional predicted signal; determining a final predicted signal for the video unit based on the plurality of predicted signals; and performing the conversion based on the final predicted signal for the video unit.
    Type: Application
    Filed: January 12, 2024
    Publication date: May 23, 2024
    Inventors: Yang WANG, Li ZHANG, Kai ZHANG
  • Publication number: 20240166045
    Abstract: A vehicle operating apparatus including a stressed means configured to receive a force applied thereon by a driver for operating a vehicle; a connecting means configured such that a first end is mechanically connected to the stressed means and a second end is mechanically connected to a mounting surface of the vehicle; a sensor configured to sense information associated with the force applied by the driver and convert the information into an electrical signal, the vehicle is able to perform driving-related operations in response to the signal; and an actuating means configured to actuate the connecting means according to a current driving state of the vehicle so that the stressed means is maintained at a specific position.
    Type: Application
    Filed: November 16, 2023
    Publication date: May 23, 2024
    Inventors: Yinbing XU, Hua FAN, Wentao XU, Bin XU, Li ZHANG
  • Publication number: 20240171754
    Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: obtaining a first reference picture list (RPL) for a target picture of a video; determining a set of candidate pictures from a plurality of coded pictures of the video, each of the set of candidate pictures having a same temporal layer identity (ID) as the target picture; obtaining a second RPL based on the set of candidate pictures and the first RPL; and performing a conversion between the target picture and a bitstream of the video based on the second RPL. Compared with the conventional solution, the proposed method can advantageously improve the coding efficiency.
    Type: Application
    Filed: March 18, 2022
    Publication date: May 23, 2024
    Inventors: Yang WANG, Na ZHANG, Kai ZHANG, Li ZHANG, Tianliang FU
  • Publication number: 20240171631
    Abstract: This application discloses a cloud platform selection method and apparatus. The method includes: obtaining service information, where the service information includes access device information and path requirement information; obtaining a recommendation result of a cloud platform based on the service information, where the recommendation result indicates a cloud platform corresponding to each access device in a first device set, the first device set includes a first access device, the first access device corresponds to a first cloud platform, path requirement evaluation information of a path from the first access device to the first cloud platform meets the path requirement information, the first device set includes M access devices or a part of the M access devices, the cloud platform corresponding to each access device belongs to a candidate cloud platform set, and the candidate cloud platform set includes P cloud platforms; and displaying the recommendation result in a first interface.
    Type: Application
    Filed: January 29, 2024
    Publication date: May 23, 2024
    Inventors: Zhong Chen, Runfa Zhou, Li Zhang, Wenqiang Wang
  • Patent number: 11991382
    Abstract: Motion Vector Management for Decoder Side Motion Vector Refinement is disclosed. A method of video processing including: determining, for a conversion between a first block of video and a bitstream representation of the first block of video, whether and/or how to apply decoder-side motion vector refinement (DMVR) based on a signaled information; and performing the conversion based on the determination.
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: May 21, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD, BYTEDANCE INC.
    Inventors: Weijia Zhu, Hongbin Liu, Kai Zhang, Li Zhang, Jizheng Xu, Yue Wang
  • Patent number: 11991363
    Abstract: Devices, systems, and methods for digital video coding, which includes matrix-based intra prediction methods for video coding, are described. In a representative aspect, a method for video processing includes performing a conversion between a current video block of a video and a bitstream representation of the current video block using a matrix based intra prediction (MIP) mode in which a prediction block of the current video block is determined by performing, on previously coded samples of the video, a boundary downsampling operation, followed by a matrix vector multiplication operation, and followed by an upsampling operation, where the upsampling operation is performed, in both a vertical direction and a horizontal direction in a fixed order, on samples obtained from the matrix vector multiplication operation.
    Type: Grant
    Filed: December 1, 2022
    Date of Patent: May 21, 2024
    Assignees: BYTEDANCE INC., BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD.
    Inventors: Zhipin Deng, Kai Zhang, Li Zhang, Hongbin Liu, Jizheng Xu